Set it to 720p, quality gets a lot better. I hate uploading large files... which means I'm pretty stingy when it comes to encoding. FYI, your numbers are wrong, you didn't include the critical damage, normal damage and critical damage appear on different sides. So in actual fact, I did 2339 normal damage and 1564 critical…
I actually have a few other clips that I haven't uploaded which should have decent CW fights (some even 1v2!). I'll upload those this week. But generally speaking (PvP situational issues aside), you will always want to pair/combo a few skills together. As a general rule, Stealth>Dazing Strike>Deft strike>Sly/cloud of steel…
You can CC break Daze, you can't with prone. Be it latency issues or just generally bad hit registry, (lag/warping/sliding) dazing a target without using Deft strike as a follow up still allows the target to continue running at "normal" speed. If it's a target with passive speed increase, you won't catch them or rather Sly…
If you're talking about Underhanded tactics, its now 20% and costs 5 Paragon points... ... on a PvE basis you're right, but in PvP, sorry way too situational.
Do note I'm basing all these comments mostly from a PvP perspective. I'm sorry a flat dmg % increase in all situations (Strength) will always be better than a situational dmg % increase, not to mention the dmg % increase in each ability score is "about even". This shouldn't be an argument, it's pretty obvious, strength…